Compilare: main.cpp: In function 'int main()': main.cpp:82:26: warning: 'ys' may be used uninitialized in this function [-Wmaybe-uninitialized] dp[xs][ys] = a[xs][ys]; ~~~~~~~~^ main.cpp:82:26: warning: 'xs' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:101:22: warning: 'yf' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << dp[xf][yf] - 1; ~~~~~~~~~^ main.cpp:101:22: warning: 'xf' may be used uninitialized in this function [-Wmaybe-uninitialized]